228671153 has 4 divisors (see below), whose sum is σ = 229308480. Its totient is φ = 228033828.

The previous prime is 228671141. The next prime is 228671161. The reversal of 228671153 is 351176822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351176822 = 2 ⋅175588411.

It is a cyclic number.

It is not a de Polignac number, because 228671153 - 2⁶ = 228671089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228671173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318125 + ... + 318842.

It is an arithmetic number, because the mean of its divisors is an integer number (57327120).

Almost surely, 2^228671153 is an apocalyptic number.

It is an amenable number.

228671153 is a deficient number, since it is larger than the sum of its proper divisors (637327).

228671153 is an equidigital number, since it uses as much as digits as its factorization.

228671153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637326.

The product of its digits is 20160, while the sum is 35.

The square root of 228671153 is about 15121.8766361851. The cubic root of 228671153 is about 611.5103244455.

The spelling of 228671153 in words is "two hundred twenty-eight million, six hundred seventy-one thousand, one hundred fifty-three".